5VMQ
STRUCTURE OF THE R105A MUTANT CATALYTIC TRIMER OF ESCHERICHIA COLI ASPARTATE TRANSCARBAMOYLASE AT 2.0-A RESOLUTION
Replaces: 1GQ3Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C (A, B, C) | Aspartate carbamoyltransferase | polymer | 310 | 34251.0 | 3 | UniProt (B7MLQ3) Pfam (PF02729) Pfam (PF00185) | Escherichia coli O45:K1 (strain S88 / ExPEC) | Aspartate transcarbamylase,ATCase |
2 | D (C) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
3 | E (C) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
4 | F, G, H (A, B, C) | water | water | 18.0 | 429 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 310 (UniProt: B7MLQ3)
PDB | External Database | Details |
---|---|---|
Ala 105 | Arg 106 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 102753.0 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 75.5 | |
All* | Total formula weight | 102828.5 |